This class defines an abstract interface that all validators must support
This class defines an abstract interface that all validators must support. When the scanner scans the attributes in a start tag, it must have a list of the defined attributes for that element. This is used to fault in defaulted and fixed attributes, to know which ones are required, and to know the their types in order to do the correct normalization. Since each validator will have its own derivatives of XMLAttDef and will have its own specialized storage mechanisms for elements and the att defs that they own, there must be an abstracted way for the scanner to deal with this list. It does not derive from the generic Enumerator template class, because there are portability issues with deriving from a template class in a DLL. It does though provide a similar enumerator interface.
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Xerces-C XML Parser for C++ Version 1.1 |
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